Comparison

BabelApp vs StealthTalk Private Messenger

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BabelApp

This app provides secure, end-to-end encrypted messaging and VoIP calling for personal and enterprise use. It allows for the secure exchange of documents and files across multiple platforms, ensuring privacy and protection from external threats.

Highlights
  • End-to-end encrypted communication
  • Secure VoIP calling
  • File and document sharing
  • Cross-platform compatibility
  • Enterprise integration options
  • AES and Diffie-Hellman cryptography
Features
Read full description

BabelApp is a secure messaging and VoIP calling enterprise strength platform for end-to-end encrypted communication. It enables calling, messaging, attaching and sending of documents and files securely – and all cross-platform. BabelApp is a must have for anyone wanting peace of mind when it comes to the security of their communication and who needs to keep their communication safe and protected from outside threats, from simple eavesdropping to sophisticated industrial espionage - BabelApp got you covered. Anyone and everyone in your surroundings – yourself included – can become a target of a mobile communication attack. Loved ones or business partners can then get caught up is the ensuing fray. The reasons why may vary – industrial espionage, divorce proceedings, insurance claim investigations, tabloid media intrusion… the list goes on. What matters though, is that your personal or business privacy can become compromised. Security experts are seeing mobile attacks in the millions yearly, with a recent survey indicating that 68% of CIOs and risk and compliance leaders agreeing that mobile devices were the weakest link in their security framework. BabelApp deals with this issue effectively and delivers the required security. BabelApp simplifies the encrypted transmission of your sensitive communication, documents and information, be they contracts, plans, scans or images, both work related and personal, while at the same time ensuring complete privacy and data protection. If needed, BabelApp can be easily connected to almost any information system, be it small or enterprise level. BabelApp also has an easy to install and use plug-and-play solution, the Babelbox, delivering enterprise-level secure communication in minutes for multiple accounts, if you do not have an in-house IT department. Designed to meet the most demanding international end-to-end encryptions security requirements for data and information, BabelApp is THE secure solution for personal or enterprise level communication. Use BabelApp and communicate with your colleagues and business partners via encrypted calls, messages, images, videos and other attachments to protect your intellectual property and trade secrets. ********* BabelApp ********* HIGHEST LEVEL OF SECURITY: • A 100% in-house solution – no third party servers, everything located and running on your own systems – even in the Cloud • Strong end-to-end cryptography • AES and Diffie-Helman algorithms ENTERPRISE UTILIZATION: • Supports Active Directory synchronization • Cross-platform • Can be use for administration of MDM applications • Can be integrated with copier/printer/scanners for secure sending of copied / scanned documents EASY TO USE: • Minimalistic and clean design and UI • Efficient and fast communication¨ • Easy deployment

About

StealthTalk Private Messenger

This secure messenger offers end-to-end encrypted voice calls and messages for privacy-conscious professionals. Features include self-destructing messages, a stealth mode for enhanced privacy, and a zero-knowledge architecture.

Highlights
  • Secure voice calls
  • End-to-end encrypted messages
  • Self-destructing messages
  • Stealth mode
  • Zero-knowledge architecture
  • Patented SDNP protocol
Features
Read full description

StealthTalk is a private messenger designed to meet high demands of business- and privacy-minded professionals. Based on a patented SDNP protocol developed for professional use in telecommunications, StealthTalk bridges the gap between professional and consumer security solutions. KEY FEATURES Secure Voice Calls Make secure calls with exceptional voice quality, even with slow internet connection speeds based on TETRA professional communication standards and SDNP protocol. Secure Messages Exchange true end-to-end encrypted messages with all sensitive message data encryption and decryption taking place entirely on the user device. Self-Destruct Messages Send confidential messages that are erased automatically after a selected period of time. Stealth Mode Protected stealth environment for sensitive calls and messages that requires users to enter their password to preview messages or receive calls. PRIVACY & SECURITY End-to-End Encryption All communication within StealthTalk is always protected with end-to-end encryption powered by a patented SDNP protocol that uses ECC 512, AES 256 and SHA-3 512 as primitives. Zero-Knowledge Proof StealthTalk knows nothing about the content of your messages or calls. User data is not collected or stored on StealthTalk servers and cannot be analyzed, sold or disclosed. Professional Telecommunications Technology StealthTalk communication security is based on the patented, tried and field-tested SDNP protocol developed for and used in professional telecommunications. REQUIRED PERMISSIONS StealthTalk requires the following permissions to deliver its private messaging services and ensure all features are operational. • Contacts: Contacts permission is used to match you with your contacts using phone number hashes. StealthTalk does not monetize, collect or store your address book data. • Microphone: Microphone access is required to make secure voice calls • Bluetooth & Location: Bluetooth and location access is needed to locate devices close to you and enable encryption key exchange. • Camera: Camera access is needed to add new contacts via QR code and send pictures with the built-in camera. • Storage: Storage access is needed to store images and files that you receive in chats. For additional information and suggestions, please contact support@stealthtalk.com

Screenshots

BabelApp4 screens
StealthTalk Private Messenger4 screens

Verdict

The call

The clearest difference is rating: BabelApp at 4.0 against StealthTalk Private Messenger's 3.8. BabelApp also leads on review sentiment (60% vs 50%) and iOS requirement (11.0 vs 14.0). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BabelApp sells 1 one-off in-app purchase and StealthTalk Private Messenger sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

BabelApp holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 10 respectively. Written reviews point the same way: 60% of BabelApp's written reviews are positive against 50% of StealthTalk Private Messenger's.

UpkeepUpdate frequency

BabelApp ships an update monthly, StealthTalk Private Messenger fortnightly. The most recent releases landed on June 6, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
BabelApp versus StealthTalk Private Messenger: the parameters behind the verdict, then further details
ParameterBabelAppStealthTalk Private Messenger
PriceFreeFree
Rating4.0 (4 ratings) — better3.8 (10 ratings)
Positive reviews60.0% of reviews — better50.0% of reviews
Number of ratings410 — better
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better14.0
Further details — not scored
Size41 MB94 MB
Age rating4+4+
DeveloperOKsystem a.s.StealthTalk Inc.

Customer experience

BabelApp

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews10 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

StealthTalk Private Messenger

All ratings10 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

In-app purchases

1 purchases

BabelApp

One-time1
  • Automated key verification$0.99
8 purchases

StealthTalk Private Messenger

One-time8
  • StealthTalk Pro (1 month)$4.99
  • StealthTalk PRO (1 Month)$9.99
  • StealthTalk Max (1 month)$9.99
Show 5 more
  • StealthTalk Elite (1 month)$14.99
  • StealthTalk Pro (1 year)$49.99
  • StealthTalk PRO (12 Months)$99.99
  • StealthTalk Max (1 year)$99.99
  • StealthTalk Elite (1 year)$149.99

Questions

Is BabelApp free?
BabelApp is free to download, with in-app purchases available.
Is StealthTalk Private Messenger free?
StealthTalk Private Messenger is free to download, with in-app purchases available.
Which has better reviews, BabelApp or StealthTalk Private Messenger?
BabelApp is rated higher. BabelApp averages 4.0 out of 5 from 4 ratings, while StealthTalk Private Messenger averages 3.8 from 10 ratings.
Do BabelApp or StealthTalk Private Messenger have ads?
Neither BabelApp nor StealthTalk Private Messenger shows ads.
Which is updated more often, BabelApp or StealthTalk Private Messenger?
BabelApp ships an update monthly, and StealthTalk Private Messenger fortnightly. Most recently, BabelApp was updated on June 6, 2026 and StealthTalk Private Messenger on September 10, 2026.

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